US PATENT SUBCLASS 261 / 53
.~.~.~ Contact space

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

19  DF  FLUID DISTRIBUTION {5}
38  DF  .~ Valved {8}
42  DF  .~.~ Multiple valves {5}
53.~.~.~ Contact space

DEFINITION

Classification: 261/53

Including a valve at the place of contact with gas by-pass, gas-inlet, gas-outlet, or liquid-inlet valve.

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44.1,